package main

import (
 "fmt"
 "regexp"
)

func main() {
	title := "<span class=\"g-hdn\">Details about   </span>Wireless Bluetooth Headphones Neckband Headset Earphone for All Mobile &amp; iPhone"
 reg := regexp.MustCompile(`<span([\d\D]*)</span>`)
 //title = reg.ReplaceAllString(title, " ")
 //res := []string
 res := reg.FindAllString(title, -1)
 fmt.Println("title:", res )
}
